package day03;

import java.util.Scanner;

public class CommandBySwitch {


    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        System.out.println("请选择功能：1.存款 2.取款 3.查询余额 4.退卡");

        while(true){
            int command = scan.nextInt();
            switch (command){
                case 1:
                    System.out.println("存款中...");
                    break;
                case 2:
                    System.out.println("取款中...");
                    break;
                case 3:
                    System.out.println("查询余额中...");
                    break;
                case 4:
                    System.out.println("退卡中...");
                    break;
                default:
                    System.out.println("输入错误，请重新输入");
            }
            if (command==4){
                break;
            }

        }

    }
}
